Dropping birth rates. It's taken a couple of generations to notice, and a few countries (Japan and South Korea) have started to realize it's impact and blast radius. Like a slow-burning fuse that nobody is willing to tamp out.

Mistrust of information and news and how it erodes trust in... well, everything.

Eldercare -- what will happens to ALL of us.

Water wars. The single most important element necessary for animal, plant, and human life.